Electric air freshener



FIG. 1 is a front perspective view of an electric air freshener showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof, and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an electric air freshener, as shown and described. 